Missouri BUYS #MODOT SL 0000000088SL

MoDOT solicitation for open-cell foam bridge-joint system in eight sizes

MoDOT’s St. Louis District is seeking bids for an open-cell foam joint system for bridge joints. - Government buyer: State of Missouri, Missouri Department of Transportation (MoDOT), St. Louis office; contact named in the attachment: Rachel Mydlo. - Procurement: Eight size configurations, priced per linear foot. No purchase quantities or part numbers are stated. - 1 1/2" x 2 1/2", 2" x 2 1/2", 2 1/2" x 2 3/4", and 3" x 2 3/4". - 3 1/2" x 3 1/2", 4" x 3 1/2", 1" x 1 3/4", and 1 1/4" x 2". - System requirements: All components must come from one manufacturer. The system includes polymer-impregnated cellular polyurethane foam with a factory-applied, highway-grade, fuel-resistant silicone roadway surface; field-applied epoxy adhesive primer; and field-applied silicone sealant bands for joint edges and field splices. Factory-fabricated watertight transitions are required where the joint changes plane or direction. - Performance and materials: The foam seal must accommodate 50% tension and compression and operate from -40°F to 185°F. Specifications also address heat and compression, ultraviolet exposure, and an impregnation agent free of waxes and asphalts. The epoxy primer must be a 100%-solids, two-component modified adhesive meeting ASTM C 881; the one-part, cold-applied, chemically curing silicone sealant must meet ASTM D 5893. - OEMs and vendors: No OEM, manufacturer, or vendor is named. Bidders must identify the proposed brand/model and provide specifications; alternatives are allowed if they meet the requirements. - Other procurement detail: The notice describes a blanket purchase agreement and potential cooperative purchasing by Missouri counties, cities, and special road districts.

Description

Missouri Department of Transportation – St. Louis seeks bids from qualified vendors to provide an Open Cell Foam Joint System. The system includes cellular polyurethane foam joint material with a factory-applied silicone coating, field-applied epoxy adhesive primer, and silicone sealant bands. The seal must meet the stated movement, temperature, bleeding, UV resistance, adhesive, and sealant requirements in the specifications. The contract runs from the date of award through October 31, 2027, with options to extend for two additional one-year periods.

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